Setiawan, Y., A. K. Ulung, Pradono Budi Saputro, Sidiq Permana Yuliana, and Deni. “Evaluating the Effectiveness of the Bandung–Kawasaki Sister City Program in Advancing Circular Economy and Empowering MSMEs in Urban Sustainability Contexts”. Islamic Business and Management Journal, vol. 8, no. 2, Dec. 2025, pp. 195-00, https://ejournal.unida.gontor.ac.id/index.php/IBMJ/article/view/15702.